Locking device



Nav. 11, 1924;,

. 1,515,486 H. HOPF LOCKING DEVICE Filed Oct. 13 1921 muh 33 4 4 FFIC HERMAN HOPE, 0F BUFFALO, NEW YORK.

LOCKING DEVICE.

Application filed October 13, 1921.

To all whom it may concern:

Be it known that I, HERMAN Horn, a citizen of the United States, residing in Bufi'alo, in the county of Erie and State of New York, have invented new and useful Improvements in Looking Devices, of which the following is a specification.

One of the objects of this invention is to provide a stop or locking device for use on windows, doors, and elsewhere, so as to prevent the opening of a movable member of a window, door, or the like, orvto limit the opening of such movable member depending upon the relative position of the stop or locking device, and to so construct this stop or locking, device that the same can be manufactured at low cost and is capable of being easily applied to as well as removed from its support.

Another object of this invention isto so construct this stop device that the two relatively movable members of the window or the like may be positively locked to each other when desired.

A still further object of this invention is to so designthe stop or locking device that a detonation alarm may be given, if desired.

when oneof the window members is moved relatively to another.

In the accompanying drawings: Figure 1 is a fragmentary vertical section of a window equipped with my improved stop and locking device. Figure 2 is a fragmentary elevation of the same. Figure 3 is a fragmentary vertical section, on an enlarged scale, taken on line 3-8, Fig. 2. Figure 4 is a horizontalsection, taken on line 44, Fig. 3. Figures 5, 6 and 7 are detached perspective views of the several parts of the 7 stop or locking device. Figure 8 isa similar view showing the manner in which theparts are arranged when the stop or locking device is not in operation. Figure 9 is a fragmen tary vertical section, showing this invention applied to a door.

Similar characters of reference refer to like parts throughout the several views.

My invention is capable of use in various places where itis desired to either prevent or limit the movement of one member relatively to another and to give an alarm. when such movement occurs.

connection with a window having upper and lower sashes 1 0, 11 which are arranged side by side and slide at their vertical edges in Serial No. 507,429.

in a position to be engaged either by the Y upper horizontal bar of the lower sash or some member mounted on the latter for the purpose of either preventing an opening movement of the sashes or limiting such movement.

As shown in Figs. 1-5,.this stop device comprises a holder which. is adapted/to be mounted on a support, and a stop which is removably mounted on the holder and adapted to be engaged by a movable member of the window. The holder in this instance comprises a base 14 having the form of a plate and two horizontal guideways 15, 16 arranged at the upper and lower ends of the base, said guideways being constructed in the form of channels which open toward each other. The base 14 of this holder is secured to the inner side of one of the upright sidebars of the upper window sash by means of screws 17, as shown or otherwise.

The. stop; has generally the form of a wedge which tapers downwardly and is preferably constructed from a single sheet of metal which is bent to form an upright rear supporting plate 18. an inclined front plate 19 arranged in front of the supporting plate .18 and inclined downwardly so. that its transverse web 20 connecting corresponding upright edges of the supporting plate 18" and the inclined plate 19. The stop is coupled with the holder by sliding the upper and lower edges of the supporting plate 18 horizontally into engagement with the channel-shaped guides 15 and 16.

For the purpose of interlocking the stop and the holder for preventing accidental disengagement of the same, the stop is provided with an upright spring tongue or catch 21 which is adapted to engage with a notch 22 formed in. the upper guide channel 15 of the holder. Thisspring tongueis arranged between the supporting plate 18 In Figs. 1-4:, my invention is shown in and the inclined plate 19 and is secured to this stop preferably by forming a loop 23 on the supporting plate 18 in which the lower end of the sprin or catch 21.

is held by pressing the loop 23-against the spring tongue, or by making the spring tongue of such dimensions that it engages frictionally with this loop.

If desired, the part just described may of itself be used as a stop device for preventing the opening movement of one window sash relatively to another. in which case the holder for the wedge-shaped stop will be secured to the upper sash in the position indicated in Figs. 1, 2 and 3, so that any attemptto lower the upper sash or raise the lower sash will cause the upper horizontal bar of the lower sash to engage the inclined plate 19 of the stop and thus prevent the further movement in this direction. If,,l1OW6V8I, it is desired to permit the opening of the sashes relatively to each other to a limited extent, one or more holders may bemounted on the upper sash at different distances from the lower edge of the upper sash. In Figs. 1 and 2, onewadditional holderis shown for this purpose on the respective side bar of the upper sash which is adapted to receive the wedge-shaped stop whenever it is desired to permit the opening of the sash to a limited extent.

If it is desired to positively interlock the sashes soas to drawthe opposing horizontal rails or bars together and thusprevent a rattling noise when the wind blows, and :also to prevent relative further movement ofthe same. a latch is provided which is constructed as follows:

24 represents a horizontal wrist which is journaled in a bearing 25 secured to the upper edgeof the meeting rail or bar ot'the lower sash and provided at its opposite ends with two hooks 26 which are adapted to be engaged with or disengaged from'two lugs 27, at the lower end of the snpportingplate 18 upon swinging the hooks-26 vertically. When the hooks 26 are engaged with the lugs 2' the meeting rails or" the upperand lower sashes are drawn tight against each other and the sashes are also prrventedrattling. lVhen. however. itis desired to move the sashes vertically, the hooks 26 are swung tromtheir operative position shownin Figs. 1-4. into their inoperative position, shown in Fig. 8, in which last-mentioned position thebeaksor bills of the hooks projectupwardly. lVhilethe hooks ot-the latchaare in this last-mentioned position, the samcmav serve as a convenient means "for holding the stop when the latter is not in use,,for which purpose the supporting plate 18 of the stop isprovi'ded with'two openings28, which are adapted to engage with the bills of the books 26, as shown by dotted lines in Fig. 8, and

.thus store the stop in a convenient place where the same is-always accessible when re- ;quiredfor use.

As shown in'Figs, 2, 3, 4 and6, a seat 30 for a cartr1dge29is formed, onthe lower part of the inclined frontwa-ll, the cartridge being retained in this seat by laterally extending notches 31 formed on this plate 19 and adapted to receive the enlarged flange or rim32-of the cartridge, as shown in Figs. 2 and Q. When the lower sash is raised or the cartridge is lowered with the upper sash, the bearing 24 strikes the firing end of the cartridge and explodes the same.

If desired, this locking device may be mounted on the upper part or head 33.01? a door frame, so that the inclined plate 19st the step will be engaged by the upper-edge of a horizontallyswinging-door 34 upon,attempting to open the '-latter, such anarrangement being shown in Fig. 9. i

This locking device can :be produced at comparatively low cost, the same can .be easily adjusted so as to renderthe same-operative or inoperative and the same when applied to a window, door,.or the like,.does not detract from the appearance ofthe same.

I claim as my invention:

1. A locking device for relatively movable members comprising a stop having avertical back plate adaptedto be mounted ononeof said members, an inclined frontplate adapted to be engaged by another Ofsaidmembers. and a web connecting corresponding longitudinal edges of saidplates.

2. A locking device for movablemembers of windows, doors, &c., comprisingaholder adapted to be secured to a support, and;a stop'having a vertical backplate adapted to be mounted on said holder, an inclined front plate adaptedto be engaged by;a,movable member. and a web connecting corresponding longitudinal edges of saidback and front plates.

3. A locking deviceifor movable members of windows, doors, &c., comprising'a'holder adapted to be securedto a support, andaa stop having a back plate adapted lJO bB -mounted on said holder, an inclined front plates, said holder being provided withsa notch and said back,plate:being.provided with a'loop, and aspring tongue-secured at one end in said'loop and adaptedtoengago its other end with said notch.

.A. lockingclevice for. relatively movable members comprising stop adapted to be mounted on one of said members and adapted to be engaged by the other ,member and provided on its opposite sides with laterally projecting lugs, a bearing adapted to be mounted on the other member, and a catch having a Wrist turning in said bearing and hooks arranged at opposite ends of said Wrist and adapted to engage said lugs.

6. A locking device for relatively movable 10 members comprising a stop adapted to be detaohably mounted on one of said members and provided with lugs and openings, and a catch adapted to be mounted on the other member and adapted in one position to engage said lugs and in another position to receive the openings of said stop.

HERMAN HOPF. 

